Home / 120,717.61-166,587.10-67,001.24

Finding the Fourth Proportional to 120,717.61, 166,587.10 and 67,001.24

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Solution

The fourth proportional to 120,717.61, 166,587.10 and 67,001.24 is: 92,459.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,717.61 : 166,587.10 = 67,001.24 : x
  2. Step 2: Convert to fraction form
    120,717.61/166,587.10 = 67,001.24/x
  3. Step 3: Cross multiply
    120,717.61x = 166,587.10 × 67,001.24
  4. Step 4: Simplify right side
    120,717.61x = 11,161,542,268.00
  5. Step 5: Solve for x
    x = 11,161,542,268.00/120,717.61
  6. Step 6: Final answer
    x = 92,459.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.